JS-152-Objects-Arrays
  • Introduction
  • 04-Objects
    • OOP-Basics
      • Overview
      • Coding the Example
    • Prototypes
      • Object Prototypes
      • Prototypes Continued
    • Inheritance
      • Inheritance
    • Synopsis
      • Synopsis
    • Challenges
    • Solutions
      • Constructor Function
        • Person Constructor
        • Explanation
      • Inheritance Challenge
        • Code
        • Explanation
      • Family Challenge
        • Child
        • Pet
  • 05-Arrays
    • Array Basics
      • Array Overview
      • Creating an Array
      • Individual Elements and Length
      • Iterating Over Arrays
    • Array Methods
      • Methods Overview
      • .join() Method
      • .reverse() Method
      • .split() Method
      • .replace() Method
      • .splice() Method
      • .map() Method
      • .indexOf() Method
      • .filter() Method
      • .every() Method
    • Palindrome Algorithm
    • Array Challenges
    • Solutions
      • First and Last
        • First Element
        • Last Element
      • Most Frequent
      • Largest and Smallest
        • Single Array
        • Multiple Arrays
      • Missing Number
      • "Arrays" in the DOM
      • Sorting
        • Bubble Sort
        • Selection Sort
    • Resources
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  1. 05-Arrays
  2. Array Methods

.join() Method

Use the .join() method when you want to delimit an array. Delimiters are used as boundaries to separate things. Punctuation marks are commonly used as delimiters. Here's an example:

var meals = ['breakfast', 'lunch', 'dinner'];
console.log(meals.join(' AND '));

Output

breakfast AND lunch AND dinner

See how the word AND is used as a delimiter to separate each of the meals?

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Last updated 7 years ago